Eclipse-now writes: "MIT’s solar concentrator maximizes its mileage by using an efficient expanse of light-collecting glass to guide sunlight into a minute array of potent photovoltaics. The glass panels are coated with a dye that absorbs sunlight and channels it along the pane’s edges while altering its wavelength to reduce energy loss from light transportation. The result is a system that can collect light over a very large area, but requires a very small array of solar cells."